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Ancient Tree Inventory
To build a living database of ancient trees
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & EnvironmentNature & OutdoorsBiologytrees, united kingdom
trees
within 25 miles
Feb 11, 2026
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2B Technologies, Inc.
AQTreks (AirQualityTreks)
Monitor air pollution levels and map air pollution around the US
Multiple locations, including yours!
- Ongoing
Citizen ScienceNature & OutdoorsGeographyEducationCrowd FundingTransportationEcology & EnvironmentComputers & TechnologyClimate & WeatherChemistryOcean Water Marineandroidsmartphone applicationglobal warmingairappair pollution monitoringgirl scoutsautumninvestigationcarbon dioxidespringclimate changestemec2020climate monitoringenvironmental justiceequitysummernatureair pollutioncitizen scienceiphoneair qualityparticulate matterweather datahikingclimateoutdoorsenvironmentusamobile applicationcommunity-based monitoringbicyclingcarbon monoxidewinterdatascienceair quality indexdatabaseweatherexperiment
NC State University | ecoipm.org | YourWildLife.org
A Tree's Life
To learn how climate & urbanization affect tree growth & health
Multiple locations, including yours!
- Ongoing
Citizen ScienceBiologyEducationClimate & WeatherNature & OutdoorsEcology & Environmenttreesclimate changecarbon sequestrationurban ecology
Cornell University/New York Department of Environmental Conservation
AVID (Assessing Vegetation Impacts from Deer)
Monitor the effects of deer browsing on woodland trees and plants
Multiple locations, including yours!
- Ongoing through November 30, 2030 at 8:35 PM
Citizen ScienceAnimalsEcology & EnvironmentNature & Outdoorsdeerwildflowersforestforest healthtreesecologywildlifeseedlingswoodlands
Airigami
Balloon Breakdown
Help compost 40,000 latex balloons
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & Environmentballooncompostingcompostballoons
Northern Rivers Fire and Biodiversity Consortium Inc.
Bell Miner Associated Dieback Best Practice Project
Evaluate the removal of mid-storey density in disturbed forests using prescribed fire, weed control and bush regeneration as a method to restore BMAD affected forest.
Anywhere
- Ongoing
Citizen ScienceEducationEcology & EnvironmentBirdslocations of native bell miner colonies birds biodiversitygondwana world heritagebmad affected forestbird monitoringlandholdersdataaustraliabell miner associated dieback (bmad)tree health across the northern rivers region of new south wales trees
Zooniverse
Buzzy Bee - African Canopy Pollinators
Study pollination of Central African timber species
Anywhere
- Ongoing
Citizen ScienceInsects & PollinatorsEcology & EnvironmentBiologyfloral traitspollen dispersal distancestimber speciespollination flower ecology tree conservation interaction botany insect entomologytree speciestropical rainforestsize and composition of pollinators communitiescirculating entomofauna
Casey Trees
To restore, enhance and protect the trees of Washington DC
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & EnvironmentGeology & Earth ScienceNature & OutdoorsBiologywashington d.c.treescanopytree plantingplanting
Caterpillars Count!
Monitor the seasonality and abundance of foliage arthropods
Multiple locations, including yours!
- Ongoing
Citizen ScienceInsects & PollinatorsEducationEcology & EnvironmentBiologyNature & OutdoorsAnimalsGeographycaterpillarsearth2025bird foodphenologyarthropodscsm-featuredcsm2025insectscsm2026biodiversity
Chestnut Mega-Transect
Document status of American chestnuts along Appalachian Trail.
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & EnvironmentPolicyClimate & WeatherNature & Outdoorscountingtreetreesappalachiancount